The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2019
Filed:
Jul. 13, 2018
Nxp B.v., Eindhoven, NL;
Filippo Casamassima, Graz, AT;
Matja{hacek over (z)} Gu{hacek over (s)}tin, Graz, AT;
Wolfgang Eber, Graz, AT;
NXP B.V., Eindhoven, NL;
Abstract
A system includes a first unit associated with an object and a second unit. The first unit includes a first transceiver coupled with first processing circuitry. The second unit includes a second transceiver coupled with second processing circuitry. Methodology includes establishing a bidirectional wireless communication link between the first and second units. Following establishment of the communication link, the first and second units exchange messages. The first processing circuitry measures a first received signal strength indicator (RSSI) value for each of the messages received at the first unit and sends the first RSSI value in a subsequent message to the second unit. The second processing circuitry measures a second RSSI value for each of the messages received at the second unit and sends the second RSSI value in another subsequent message to the first unit. A relay attack is determined in response to the first and second RSSI values.